At 12:18 p.m. et, a terrorist bomb exploded in a parking garage of the World Trade Center in New York City, leaving a crater 60 feet wide and causing the collapse of several steel-reinforced concrete floors in the vicinity of the blast. Although the terrorist bomb failed to critically damage the main structure of the skyscrapers, six people were killed, more than 1,000 were injured and the World Trade Center itself suffered more than $500 million in damage.

After the attack, authorities evacuated 50,000 people from the buildings, hundreds of whom were suffering from smoke inhalation. The evacuation lasted the whole afternoon.

City authorities and the Federal Bureau of Investigation undertook a massive manhunt for suspects, and within days several radical Islamic fundamentalists were arrested.

On this day in 1987, The Tower Commission rebuked President Reaganfor failing to control his national security staff in the wake of the Iran-Contra Affair.

President Reagan (far right) with Caspar Weinberger, George Shultz, Ed Meese and Don Regan discussing the President’s remarks on the Iran-Contra affair in the oval office.

(Fox News) – Beverley Owen, the actress best known for playing the original Marilyn Munster on Season 1 of the ‘60s CBS sitcom“The Munsters,” has died.

Her co-star Butch Patrick, who played Eddie Munster, confirmed the death on Facebook Sunday. Owen’s daughter, Polly Stone, said she died on Feb. 21 after battling ovarian cancer and was surrounded by friends and family at her home in Vermont.

Owen left “The Munsters” after 13 episodes to marry Jon Stone, the Emmy Award-winning producer and director of “Sesame Street”. She was replaced by actress Pat Priest for the remainder of the series.

On this day in 1836, Connecticut-born gun manufacturer Samuel Colt (1814-62) received a U.S. patent for a revolver mechanism that enabled a gun to be fired multiple times without reloading.

Colt founded a company to manufacture his revolving-cylinder pistol; however, sales were slow and the business floundered. In 1846, with the Mexican War (1846-48) under way, the United States government ordered 1,000 Colt revolvers. In 1855, Colt opened what was the world’s largest private armament factory.

In Hartford, Connecticut, Samuel Colt built the world’s largest private armament factory. The factory was not only the largest, it was the world’s most advanced manufacturing facility.

On February 25, 1964, underdog Cassius Clay, age 22, defeated champion Sonny Liston in a technical knockout to win the world heavyweight boxing crown. The highly anticipated match took place in Miami Beach, Florida. Clay, who later became known to the world as Muhammad Ali, went on to become the first fighter to capture the heavyweight title three times.

Morgan Woodward, who appeared in more than 250 movies and TV shows during a 40-year acting career, died in Paso Robles, Calif. on Feb. 22.

The versatile character actor played oil man Marvin “Punk” Anderson on TV show "Dallas" in 55 episodes from 1980-1987, but also had two appearances on the original "Star Trek" series, was Elder Morgan in the film "Logan’s Run, " and was a regular on the long-running "Gunsmoke" TV series.